344 lines
12 KiB
C#
344 lines
12 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Threading.Tasks;
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using JiShe.CollectBus.Common;
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using JiShe.CollectBus.Common.Enums;
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using JiShe.CollectBus.Common.Extensions;
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using JiShe.CollectBus.Common.Models;
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using JiShe.CollectBus.Protocol.Contracts.Interfaces;
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using JiShe.CollectBus.Protocol.Contracts.Models;
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using Microsoft.Extensions.Logging;
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namespace JiShe.CollectBus.Protocol.Contracts.Abstracts
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{
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public abstract class BaseProtocolPlugin : IProtocolPlugin
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{
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public readonly ILogger<BaseProtocolPlugin> _logger;
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//起始字符
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public const string stx = "68";
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//结束字符
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public const string end = "16";
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//头部字节长度
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public const int hearderLen = 6;
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//消息认证码字段长度
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public const int pWLen = 16;
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public const int tPLen = 6;
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protected BaseProtocolPlugin(ILogger<BaseProtocolPlugin> logger)
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{
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_logger = logger;
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}
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public abstract Task<ProtocolInfo> GetAsync();
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public abstract Task AnalyzeAsync(MessageReceivedEvent messageReceivedEvent, Action<byte[]>? sendAction = null);
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/// <summary>
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/// 登录帧解析
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/// </summary>
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/// <param name="messageReceivedEvent">报文</param>
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/// <param name="sendAction">发送委托</param>
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/// <returns></returns>
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public virtual Task LoginAsync(MessageReceivedLoginEvent messageReceivedEvent, Action<byte[]>? sendAction = null)
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{
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var hexStringList = messageReceivedEvent.MessageHexString.StringToPairs();
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var aTuple = (Tuple<string, int>)hexStringList.GetAnalyzeValue(CommandChunkEnum.A);
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var seq = (Seq)hexStringList.GetAnalyzeValue(CommandChunkEnum.SEQ);
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var reqParam = new ReqParameter2
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{
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AFN = AFN.确认或否认,
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FunCode = (int)CFromStationFunCode.链路数据,
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PRM = PRM.从动站报文,
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A = aTuple.Item1,
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Seq = new Seq()
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{
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TpV = TpV.附加信息域中无时间标签,
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FIRFIN = FIRFIN.单帧,
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CON = CON.需要对该帧进行确认,
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PRSEQ = seq.PRSEQ
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},
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MSA = aTuple.Item2,
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Pn = 0,
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Fn = 1
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};
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var bytes = GetCommandBytes(reqParam);
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if (sendAction != null)
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{
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sendAction(bytes);
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}
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return Task.CompletedTask;
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}
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/// <summary>
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/// 心跳帧解析
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/// </summary>
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/// <param name="messageReceivedEvent">报文</param>
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/// <param name="sendAction">发送委托</param>
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/// <returns></returns>
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public virtual Task HeartbeatAsync(MessageReceivedHeartbeatEvent messageReceivedEvent, Action<byte[]>? sendAction = null)
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{
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var hexStringList = messageReceivedEvent.MessageHexString.StringToPairs();
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var aTuple = (Tuple<string,int>)hexStringList.GetAnalyzeValue(CommandChunkEnum.A);
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var seq = (Seq)hexStringList.GetAnalyzeValue(CommandChunkEnum.SEQ);
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if (seq.TpV == TpV.附加信息域中带时间标签)
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{
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//解析
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}
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if (seq.CON == CON.需要对该帧进行确认)
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{
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var reqParam = new ReqParameter2()
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{
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AFN = AFN.确认或否认,
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FunCode = (int)CFromStationFunCode.链路数据,
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PRM = PRM.从动站报文,
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A = aTuple.Item1,
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Seq = new Seq()
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{
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TpV = TpV.附加信息域中无时间标签,
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FIRFIN = FIRFIN.单帧,
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CON = CON.不需要对该帧进行确认,
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PRSEQ = seq.PRSEQ,
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},
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MSA = aTuple.Item2,
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Pn = 0,
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Fn = 1
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};
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var bytes = GetCommandBytes(reqParam);
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if (sendAction != null)
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{
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sendAction(bytes);
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}
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}
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return Task.CompletedTask;
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}
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#region 通用解析
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public byte[] GetCommandBytes(ReqParameter reqParameter, List<string>? dataUnit = null)
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{
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var cmdStrList = new List<string>();
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var userDatas = GetUserData(reqParameter, dataUnit);
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var hearders = GetHeaders(userDatas.Count);
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var cs = GetCS(userDatas);
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cmdStrList.AddRange(hearders);
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cmdStrList.AddRange(userDatas);
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cmdStrList.Add(cs);
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cmdStrList.Add(end);
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_logger.LogInformation($"回复：{string.Join(" ", cmdStrList)}");
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var bytes = cmdStrList.Select(x => Convert.ToByte(x, 16)).ToArray();
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return bytes;
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}
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/// <summary>
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/// 帧校验和
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/// </summary>
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/// <param name="userData">用户数据区</param>
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/// <returns></returns>
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public string GetCS(List<string> userData)
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{
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byte sum = 0;
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foreach (var d in userData)
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{
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var b = Convert.ToByte(d, 16);
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sum += b;
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}
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return sum.ToString("X2");
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}
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/// <summary>
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/// 用户数据区
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/// </summary>
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/// <param name="reqParameter"></param>
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/// <returns></returns>
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public List<string> GetUserData(ReqParameter reqParameter, List<string>? dataUnit)
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{
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var c = GetC(reqParameter.FunCode, reqParameter.PRM);
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var a = GetAList(reqParameter.A, reqParameter.MSA);
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var linkUserData = GetLinkUserData(reqParameter.AFN, reqParameter.Seq,
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((ReqParameter2)reqParameter).Pn, ((ReqParameter2)reqParameter).Fn, dataUnit);
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var list = new List<string>() { c };
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list.AddRange(a);
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list.AddRange(linkUserData);
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return list;
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}
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/// <summary>
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/// 固定长度的报文头 起始字符+长度+长度+起始字符
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/// </summary>
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/// <param name="length"></param>
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/// <returns></returns>
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public List<string> GetHeaders(int length)
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{
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var headers = new List<string>();
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headers.Add(stx);
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var l = GetLength(length);
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headers.AddRange(l);
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headers.AddRange(l);
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headers.Add(stx);
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return headers;
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}
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/// <summary>
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/// 长度 2字节 [用户数据区长度]
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/// </summary>
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/// <returns></returns>
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public List<string> GetLength(int length1)
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{
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var binaryLen = length1.DecToBin();
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var protocolIdentification = Enum.Format(typeof(ProtocolIdentification),
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ProtocolIdentification.本规约使用, "d").PadLeft(2, '0');
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var lenStr = $"{binaryLen}{protocolIdentification}";
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var hexLen = lenStr.BinToHex();
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hexLen = hexLen.PadLeft(4, '0');
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var list = hexLen.StringToPairs();
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list.Reverse();
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return list;
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}
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/// <summary>
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/// 控制域
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/// </summary>
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/// <param name="funCode">功能码</param>
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/// <param name="fcb"></param>
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/// <param name="fcv"></param>
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/// <returns></returns>
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public string GetC(int funCode, PRM pRM, int fcb = 0, FCV fcv = FCV.FCB位无效)
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{
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var cMasterStationFunCodeHex = funCode.DecToBin();
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cMasterStationFunCodeHex = cMasterStationFunCodeHex.ToString().PadLeft(4, '0');
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var strC = $"{(int)DIR.主站下行报文}{(int)pRM}{fcb}{(int)fcv}{cMasterStationFunCodeHex}";
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var hexC = strC.BinToHex().PadLeft(2, '0');
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return hexC;
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}
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/// <summary>
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/// 地址域 3220 09872
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/// </summary>
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/// <param name="a1">行政区划码 BCD码 3220=2032</param>
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/// <param name="a2">逻辑地址 BIN 09872=2690=>9026</param>
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/// <param name="a3">主站地址 BIN 0~127</param>
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/// <returns></returns>
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public List<string> GetAList(string a, int mSA)
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{
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var list = new List<string>();
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var a1 = a.Substring(0, 4);
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var a1Pairs = a1.StringToPairs();
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a1Pairs.Reverse();
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list.AddRange(a1Pairs);
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var a2 = Convert.ToInt32(a.Substring(4));
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var decA2 = a2.DecToHex();
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var a2Pairs = decA2.PadLeft(4, '0').StringToPairs();
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a2Pairs.Reverse();
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list.AddRange(a2Pairs);
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//TODO:主站地址和组地址标志
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var a3Bin = $"{mSA.DecToBin().PadLeft(7, '0')}0";
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list.Add(a3Bin.BinToHex().PadLeft(2, '0'));
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return list;
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}
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public List<string> GetLinkUserData(AFN aFN, Seq seq, int pn, int fn, List<string>? dataUnit)
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{
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var aFNValue = ((int)aFN).DecToHex().PadLeft(2, '0');
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var sEQ = GetSEQ(seq.TpV, seq.FIRFIN, seq.CON, seq.PRSEQ);
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var dA = GetDA(pn);
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var dT = GetDT(fn);
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var list = new List<string>() { aFNValue, sEQ };
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list.AddRange(dA);
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list.AddRange(dT);
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if (dataUnit != null)
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{
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list.AddRange(dataUnit);
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}
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//list.AddRange(GetDataUnit(aFN,seq));
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if (seq.TpV == TpV.附加信息域中带时间标签)
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list.AddRange(GetTp("00"));
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return list;
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}
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/// <summary>
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/// 帧序列域
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/// </summary>
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/// <param name="tpV"></param>
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/// <param name="fIRFIN"></param>
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/// <param name="cON"></param>
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/// <returns></returns>
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public string GetSEQ(TpV tpV, FIRFIN fIRFIN, CON cON, int pRSEQ)
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{
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var tpVValue = Enum.Format(typeof(TpV),
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tpV, "d");
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var fIRFINValue = Enum.Format(typeof(FIRFIN),
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fIRFIN, "d");
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var cONValue = (int)cON;
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var sEQBin = $"{tpVValue}{fIRFINValue}{cONValue}{pRSEQ.DecToBin().PadLeft(4, '0')}";
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var hexSEQ = sEQBin.BinToHex().PadLeft(2, '0');
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return hexSEQ;
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}
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/// <summary>
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/// 信息点标识
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/// </summary>
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/// <param name="pn">计量点</param>
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/// <returns></returns>
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public List<string> GetDA(int pn)
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{
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if (pn == 0)
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return new List<string>() { "00", "00" };
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var dA2 = (pn - 1) / 8 + 1;//信息点组从1开始 第几组
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var dA1 = pn - (dA2 - 1) * 8;//pn % 8
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var dA1Hex = "1".PadRight(dA1, '0').BinToHex();//对位信息 第几位 二进制有效位
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var dA2Hex = dA2.DecToHex();
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return new List<string>() { dA1Hex.PadLeft(2, '0'), dA2Hex.PadLeft(2, '0') };
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}
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/// <summary>
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/// 数据单元标识
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/// </summary>
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/// <param name="fn"></param>
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/// <returns></returns>
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public List<string> GetDT(int fn)
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{
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var dT2 = (fn - 1) / 8;//从零开始 第几组
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var dT1 = fn - dT2 * 8;
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var dT1Hex = "1".PadRight(dT1, '0').BinToHex();//对位信息 第几位 二进制有效位
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var dT2Hex = dT2.DecToHex();
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return new List<string>() { dT1Hex.PadLeft(2, '0'), dT2Hex.PadLeft(2, '0') };
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}
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/// <summary>
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/// 时间标签
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/// </summary>
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/// <param name="pFC">启动帧帧序号计数器PFC 1字节</param>
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/// <param name="delayTime">允许发送传输延时时间 min 1字节</param>
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/// <returns></returns>
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public List<string> GetTp(string pFC = "00", int delayTime = 0)
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{
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var now = DateTime.Now; // 获取当前时间
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var seconds = now.Second.ToString().PadLeft(2, '0'); // 获取当前秒数
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var minutes = now.Minute.ToString().PadLeft(2, '0'); // 获取当前分钟数
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var hours = now.Hour.ToString().PadLeft(2, '0'); // 获取当前小时数
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var day = now.Day.ToString().PadLeft(2, '0'); // 获取当前日期的日数
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return new List<string>() { pFC, seconds, minutes, hours, day, delayTime.ToString().PadLeft(2, '0') };
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}
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#endregion
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}
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}
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